Need at least Windows 7 professional or better.
An upgrade from Windows 7 Home Edition costs around
$90.
A free download of Windows XP Mode & Windows
Virtual PC at
www.windows.com/business/downloads
To download DSIM on a Windows 7 PC or laptop
Double click on DSIM132
Save dsim132.exe to a Windows 7 folder.
Copy and paste to a Windows XP folder.
Unzip to folder.
Double click dsim to start.